1009pscantatahcd

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REVIEWS

RESOLUTION AUDIO CANTATA CD PLAYER/STREAMER £ 5 , 9 9 5

RESOLUTIOI CD PLAYER/S.

M ER £ 5 , 9 9 5

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reference The CD player we have used as reference for nine years is being replaced by this CD/streamer 'music centre' an6 Jason Kennedy is gripped esolution Audio's Opus 21 has been a reference CD player for us since it's introduction at the turn of the century. This diminutive two-box unit gives more detail, dynamics and sheer musicality than most and we will be very sad to see it go. Or, at least, we will be, if we can't get our hands on its replacement the Cantata Music Centre. Because not only does this new player look incredible, it also manages to up the sonic ante to an unprecedented 72

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degree. And not just for CDs, plug your laptop in or even your home network and it can do remarkable things for music stored on a PC or NAS drive. Hence the Music Centre soubriquet, this is not just a disc'renderer' with an asynchronous DAC that can do for digitally stored media what the Opus 21 did for CD.

Permanent waves The Cantata came about because Resolution's Jeff Kalt wanted to

DETAILS PRODUCT: Resolution Audio Cantata CD player/ streamer ORIGIN: USA TYPE: CD player/ USB DAC/streamer WEIGHT: 6kg DIMENSIONS: (WxHxD) 500x430x230mm FEATURES: • Computer inputs: USB, Ethernet •Linear display • Burr-Brown DACs •Cantata link bus system DISTRIBUTOR: Redline TELEPHONE: 01268 858222

build an iTunes client into the XS (extra sources) box that forms part of the Opus 21 series. He ended up being frustrated by the limitations of air tunes - specifically its 16-bit/44.1kHz maximum resolution, so he started working on a streamer, CD player and USB DAC that turned into the Cantata. While this unit retains the same 1704 multibit ladder DAC as the Opus 21 and the same basic circuit design, it doesn't have many other similarities to its predecessor. The most obvious change is the casework, which is both radical and beautiful. Machined from solid aluminium, it is designed to offer a significant improvement in resonance control over the sheet metal Opus 21, while also offering a large heatsink for the components within the player. Jeff actually worked with the Neal Feay Company to come up with what he describes as "an aesthetic that is softer, perhaps more organic, than traditional machined designs." The case is one reason why the Cantata is 50 per cent more expensive than its

predecessor, but the other companies that use metalwork from this source all charge significantly more -just look up Constellation Audio and you'll get the picture. The significant technology here is the degree of isolation that has been achieved inside this machine. Jeff has effectively floated the DAC, so that it only grounds to the amplifier and is magnetically isolated from the power supply, internal transport, display and all of the digital sources (including USB and the host computer). He has also developed his own asynchronous USB software for connecting computers to the DAC. It works by pulling the signal from the computer rather than the other way around, so the DAC controls the flow of data and provides clocking with its own precision clock. This makes USB a potentially better conduit than S/PDIF because jitter can be virtually eliminated by the interface. The Cantata's output connections no longer feature a DIN socket, but come in single-ended XLR and RCA flavours, both of which are volume-

"If you want to hear how much effort was put into your favourite albums, then make a date with the Cantata." controllable. So you can hook this unit straight to a power amp or active speaker system and use the onboard analogue volume control. Alternatively if you want to use a preamp or integrated amp, then just set the level to 100 and bypass the attenuator. Inputs are really what the Cantata is about and why it is dubbed a Music Centre. You can hook up external sources via S/PDIF in three flavours, USB and Ethernet which means that any source with a digital output can be accommodated. Resolution Audio also makes a device called the Pont Neuf, that converts USB to Ethernet and gives you much more range than USB, which Resolution recommends keeping to a maximum of two metres.

TALKING POINT RESOLUTION AUDIO developed the Pont Neuf or new bridge in order to allow music to be streamed at USB quality over longer lengths than the five-metre maximum that USB cables can be effectively used. Unlike standard USB to Ethernet converters, the Pont Neuf will stream the output of software players such as iTunes. This signal can be sent wired orwirelesslytothe Cantata where it can be converted. The alternative is toputyourmusic on a NAS drive and connect it directly to the Cantata. This route has the advantage that the PC/Mac does not have to be powered up for the music to be available.

The transport used is a Sony device that slot-loads on the right hand side of the player. It's well hidden, but not hard to find. Jeff did speculate about having the slot emit a white light, but changed his mind (more's the pity). It's a high-speed drive that was chosen for reasons Jeff explains in our interview on the next page, but it's not totally silent - which can be an issue when listening to quiet material late at night. The dotmatrix display is particularly nice in the context of the drilled-out fascia, it tells you the sample rate of incoming signals unless it's spinning a disc, in which case track time and number are shown. It can be dimmed or extinguished, but looks best at its lowest brightness.

Tactile The quality of machining on this casework has to be seen and fondled to be fully appreciated, it is something else. Whether you like the styling is obviously a matter of taste, but in our view it makes a refreshing change to the ubiquitous cooling fins found on every other high-end SEPTEMBER 2010

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